Guitar headstock



FIG. 1 is a left side of guitar headstock

FIG. 2 is a end view of guitar headstock

FIG. 3 is a bottom view of guitar headstock

FIG. 4 is a top view of guitar headstock; and,

FIG. 5 is a top left perspective of guitar headstock. 

The ornamental design for a guitar headstock, as shown and described. 